Mitsubishi Electric CITY MULTI PURY-P-TLMU-A Serie Manual De Instalación página 25

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Between a BC controller and indoor unit (R2 system)
Thickness [mm (in)]
Heat resistance
* The insulation thickness may need to be increased in high-temperature/humidity conditions.
* Even when specifications are defined by your client, the standards in the table should be met.
Glass fiber + Steel wire
Insulation material
A
Adhesive + Heat-resistant polyethylene foam + Adhesive tape
Indoor
Outer covering B
Under the floor and exposed
Outdoor
* If a polyethylene cover is used as an outer covering, asphalt roofing is not necessary.
・Do not insulate the electric wires.
・Make sure that the pipe connections all the way from the indoor unit are properly insulated.
9-7-2. Insulation for the section of the pipe that goes through a wall
(1) Inner wall (concealed)
Ⓐ Ⓑ
(4) Floor (waterproof)
Sleeve
Insulation material
Lagging
Caulking material
Band
Waterproof layer
Sleeve with a flange
WT07598X02
Pipe size [mm (in)]
ø6.35 (ø1/4)–ø25.4 (ø1)
Min. 10 (7/16)
Min. 120°C (248°F)
Steel wire
Pipe
Oily mastic asphalt or asphalt
Insulation material A
Outer covering B
Vinyl tape
Waterproof hemp cloth + Bronze asphalt
Waterproof hemp cloth + Zinc plate + Oily paint
High-pressure pipe or liquid pipe
Low-pressure pipe or gas pipe
Electric wire
Finishing tape
Insulation material
(2) Outer wall
(5) Rooftop pipe shaft
GB-23
ø28.58 (ø1-1/8)–ø38.1 (ø1–1/2)
Min. 15 (5/8)
(3) Outer wall (exposed)
(6) Protecting the penetrating parts in a fire limit zone or through a
parting wall
1000
1000
(39-3/8)
(39-3/8)
[mm (in)]

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